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Expired
Application number
GB26874/28A
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Individual
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Individual
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Publication of GB297391ApublicationCriticalpatent/GB297391A/en
297,391. Giraudon. R. Sept. 20, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Variable resistances.-A flexible metallic .contact member 9 is interposed between the moving contact 3 and the winding-s 1 of a rheostat and is normally disposed to stand clear of said windings and to be depressed into contact therewith on passage of the moving contact. The invention is described as applied to a rheostat with a radial moving arm and circumferential winding but can also be applied to rectilinearly movable slides on straight windings and to single or multiple windings.
GB26874/28A1927-09-201928-09-19Improvements in rheostats and other adjustable electric resistances, chiefly adaptedfor use in radio operations
ExpiredGB297391A
(en)